<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>盒模型-css</title>
  <style>
    p{
      width: 200px;
      height: 200px;
      background-color: aqua;
      overflow: scroll;
    }
    div{
      height: 200px;
      background-color: pink;
    }
    </style>
</head>
<body>
<div></div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. A animi debitis distinctio eius eos et modi nobis odio quos ratione repellendus reprehenderit sequi suscipit, veritatis voluptas. Cumque fugit laborum temporibus! </p>
</body>
</html>